Umashankar Kathak
type: MusicGroup
genre: bhajan
popularity: 11
followers: 710
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf4229f82317bccdaf2d7c914166cbe86d6f5df1a4c7920ce03b3afaf444e3c94
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953694
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953694
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/70847fcd-9244-43bb-b9e1-07d1c995384f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/70847fcd-9244-43bb-b9e1-07d1c995384f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/70847fcd-9244-43bb-b9e1-07d1c995384f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T21:38:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf4229f82317bccdaf2d7c914166cbe86d6f5df1a4c7920ce03b3afaf444e3c94","name":"Umashankar Kathak","registered_at":"2026-06-14T16:17:35Z","symbol":"NIM0507706","token_address":"0xc607d9da250c19d7fac535957b6156bf8d3ca9ab","type":"artist","uuid":"70847fcd-9244-43bb-b9e1-07d1c995384f"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4229f82317bccdaf2d7c914166cbe86d6f5df1a4c7920ce03b3afaf444e3c94. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/70847fcd-9244-43bb-b9e1-07d1c995384f.json and https://artists.proofprofile.net/proofs/artist/70847fcd-9244-43bb-b9e1-07d1c995384f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T22:00:24Z
  text: {"copyright_id":"0xf4229f82317bccdaf2d7c914166cbe86d6f5df1a4c7920ce03b3afaf444e3c94","name":"Umashankar Kathak","registered_at":"2026-06-14T16:17:35Z","symbol":"NIM0507706","token_address":"0xc607d9da250c19d7fac535957b6156bf8d3ca9ab","type":"artist","uuid":"70847fcd-9244-43bb-b9e1-07d1c995384f"}
album: My Soul Ram My Heart Pakhawaj
  type: MusicAlbum
  date published: 2014-07-21
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  type: MusicAlbum
  date published: 2020-10-23
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2024-03-02
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  type: MusicAlbum
  date published: 2025-02-18
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  type: MusicAlbum
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  type: MusicAlbum
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